Does T38.1X4A require prior authorization?

No, T38.1X4A does not require prior authorization (high confidence). Code is covered without prior authorization.

`T38.1X4A` — Poisoning by thyroid hormones and substitutes, undetermined, initial encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Follow LCD L35434 for reasonable and necessary requirements and supporting medical documentation for oximetry services.
Report overnight oximetry using CPT code 94762 on claims.
When E/M services are reported with allergy testing, medical documentation of the separately identifiable E/M service must be present in the medical record and modifier -25 must be used.
Part B providers must indicate the actual number of tests (one unit per antigen/test) in Box 24G of Form CMS-1500 (paper) or in the service field on EMC claims; the number of tests must also be shown on the claim for MPFSDB payment.

Allergy testing is covered when the patient has clinically significant allergic symptoms and conservative therapy has failed.
Allergy testing includes performance, evaluation, and reading of cutaneous and mucous membrane tests together with physician history (including immunologic history), physical examination, antigen selection, and interpretation of results.
Standard skin testing is the preferred method when allergy testing is necessary.
When a percutaneous or intracutaneous single test (CPT 95004 or 95024) and sequential/incremental tests (CPT 95017, 95018, 95027) are performed the same day, both code types may be reported only if they are for different allergens or for different dilutions of the same allergen.
CPT code 95060 is payable in office, outpatient hospital (on-campus/off-campus), inpatient hospital, and emergency room settings.
Oximetry is medically necessary for patients exhibiting acute respiratory dysfunction signs or symptoms (tachypnea, dyspnea, cyanosis, respiratory distress, confusion, or hypoxia).

L36402 — Allergy Testing

J05

L40195 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)

J05

A57473 — Billing and Coding: Allergy Testing

J05

A57472 — Billing and Coding: Allergy Immunotherapy

J05

L36408 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)

Ask Verity about documentation requirements, denial risks, or coverage in your state.